lily/engraver-group-engraver.cc

   1 /*
   2   engravergroup.cc -- implement Engraver_group_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "flower-proto.hh"
  10 #include "engraver-group-engraver.hh"
  11 #include "engraver.hh"
  12 #include "debug.hh"
  13 #include "paper-score.hh"
  14 #include "score-element.hh"
  15
  16
  17 ADD_THIS_TRANSLATOR(Engraver_group_engraver);
  18
  19 void
  20 Engraver_group_engraver::announce_element (Score_element_info info)
  21 {
  22   announce_info_arr_.push (info);
  23   Engraver::announce_element (info);
  24 }
  25
  26
  27 void
  28 Engraver_group_engraver::process_acknowledged ()
  29 {
  30
  31   for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr ( p))
  32     {
  33       Translator * t = unsmob_translator (gh_car (p));
  34       Engraver * eng = dynamic_cast<Engraver*> (t);
  35       if (eng)
  36         eng->process_acknowledged ();
  37     }
  38 }
  39
  40 void
  41 Engraver_group_engraver::acknowledge_elements ()
  42 {
  43   for (int j =0; j < announce_info_arr_.size(); j++)
  44     {
  45       Score_element_info info = announce_info_arr_[j];
  46       for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr (p))
  47         {
  48           Translator * t = unsmob_translator (gh_car (p));
  49           Engraver * eng = dynamic_cast<Engraver*> (t);
  50           if (eng && eng!= info.origin_trans_l_)
  51             eng->acknowledge_element (info);
  52         }
  53     }
  54 }
  55
  56 void
  57 Engraver_group_engraver::do_announces()
  58 {
  59   for (SCM p = trans_group_list_; gh_pair_p (p); p =gh_cdr ( p))
  60     {
  61       Translator * t = unsmob_translator (gh_car (p));
  62       dynamic_cast<Engraver_group_engraver*> (t)->do_announces ();
  63     }
  64
  65   process_acknowledged ();
  66
  67   // debug
  68   int i = 0;
  69   while (announce_info_arr_.size () && i++ < 5)
  70     {
  71       acknowledge_elements ();
  72       announce_info_arr_.clear ();
  73       process_acknowledged ();
  74     }
  75
  76   if (announce_info_arr_.size ())
  77     {
  78       printf ("do_announces: elt: %s\n",
  79               announce_info_arr_[0].elem_l_->name ().ch_C ());
  80       announce_info_arr_.clear ();
  81     }
  82 }
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